liquid junction


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liquid junction

The point in a potentiometric reference electrode measurement system at which the reference solution makes contact with the test solution. An example is pH reference electrode.
See also: junction
References in periodicals archive ?
A liquid junction effect is another probable reason for the lower pH values obtained in electrolyte solutions than distilled water.
Added electrolytes minimised the liquid junction potential, reduced fluctuations in pH measurements with time, and decreased the salt effect (i.
If water does not work, gently wipe the glass bulb and liquid junction with a soft cloth, tissue, cotton-tipped swab or a soft bristle brush.